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Finding the Fourth Proportional to 326,326, 450,330.96 and 190,453.36

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Solution

The fourth proportional to 326,326, 450,330.96 and 190,453.36 is: 262,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,326 : 450,330.96 = 190,453.36 : x
  2. Step 2: Convert to fraction form
    326,326/450,330.96 = 190,453.36/x
  3. Step 3: Cross multiply
    326,326x = 450,330.96 × 190,453.36
  4. Step 4: Simplify right side
    326,326x = 85,767,044,444.03
  5. Step 5: Solve for x
    x = 85,767,044,444.03/326,326
  6. Step 6: Final answer
    x = 262,826.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.